JP7277598B2 - 血液処理フィルター及びその製造方法並びに白血球除去方法 - Google Patents
血液処理フィルター及びその製造方法並びに白血球除去方法 Download PDFInfo
- Publication number
- JP7277598B2 JP7277598B2 JP2021551715A JP2021551715A JP7277598B2 JP 7277598 B2 JP7277598 B2 JP 7277598B2 JP 2021551715 A JP2021551715 A JP 2021551715A JP 2021551715 A JP2021551715 A JP 2021551715A JP 7277598 B2 JP7277598 B2 JP 7277598B2
- Authority
- JP
- Japan
- Prior art keywords
- leukocyte
- blood
- filter
- blood processing
- processing filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3627—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
- A61M1/3633—Blood component filters, e.g. leukocyte filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/02—Blood transfusion apparatus
- A61M1/0281—Apparatus for treatment of blood or blood constituents prior to transfusion, e.g. washing, filtering or thawing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
- A61M1/3496—Plasmapheresis; Leucopheresis; Lymphopheresis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0413—Blood
- A61M2202/0439—White blood cells; Leucocytes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/75—General characteristics of the apparatus with filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0414—Surface modifiers, e.g. comprising ion exchange groups
- B01D2239/0421—Rendering the filter material hydrophilic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0471—Surface coating material
- B01D2239/0492—Surface coating material on fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/0604—Arrangement of the fibres in the filtering material
- B01D2239/0622—Melt-blown
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/0604—Arrangement of the fibres in the filtering material
- B01D2239/0627—Spun-bonded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
- B01D2239/0672—The layers being joined by welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1233—Fibre diameter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1291—Other parameters
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cardiology (AREA)
- External Artificial Organs (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019187513 | 2019-10-11 | ||
JP2019187513 | 2019-10-11 | ||
PCT/JP2020/038276 WO2021070928A1 (fr) | 2019-10-11 | 2020-10-09 | Filtre de traitement du sang et son procédé de fabrication, et procédé d'élimination de leucocytes |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2021070928A1 JPWO2021070928A1 (fr) | 2021-04-15 |
JP7277598B2 true JP7277598B2 (ja) | 2023-05-19 |
Family
ID=75438201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021551715A Active JP7277598B2 (ja) | 2019-10-11 | 2020-10-09 | 血液処理フィルター及びその製造方法並びに白血球除去方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220355002A1 (fr) |
EP (1) | EP4043085A4 (fr) |
JP (1) | JP7277598B2 (fr) |
CN (1) | CN114502254A (fr) |
WO (1) | WO2021070928A1 (fr) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001032236A1 (fr) | 1999-11-01 | 2001-05-10 | Asahi Medical Co., Ltd. | Filtre pour enlever selectivement les leucocytes |
WO2003106518A1 (fr) | 2002-06-17 | 2003-12-24 | 旭メディカル株式会社 | Polymere biocompatible et filtre permettant d'eliminer selectivement des leucocytes utilisant ce polymere |
JP2006280469A (ja) | 2005-03-31 | 2006-10-19 | Terumo Corp | 医療用ポリエステル製不織布、その製造方法および血液処理フィルター |
JP2013540458A (ja) | 2010-08-06 | 2013-11-07 | ジヴエッセ ソチエタ ぺル アチオーニ | 血液または血液製剤から物質を除去するための改良されたフィルター及びその製造方法 |
JP2018507011A (ja) | 2014-12-30 | 2018-03-15 | コーロン インダストリーズ インク | 血液フィルター及びその製造方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3386195B2 (ja) * | 1993-07-15 | 2003-03-17 | 旭メディカル株式会社 | 白血球選択捕捉器及び白血球捕捉装置 |
JP4565762B2 (ja) | 2001-03-26 | 2010-10-20 | 旭化成メディカル株式会社 | 白血球除去フィルター及びその製造方法 |
US7721898B2 (en) * | 2001-07-31 | 2010-05-25 | Asahi Kasei Medical Co., Ltd. | Coating material for leukocyte removal filter and the filter |
JP2004044010A (ja) * | 2002-07-11 | 2004-02-12 | Teijin Ltd | ポリトリメチレンテレフタレート繊維の製造方法 |
JP2006077136A (ja) | 2004-09-10 | 2006-03-23 | Asahi Kasei Medical Co Ltd | 生体適合性ポリマーの製造方法 |
JP4754377B2 (ja) * | 2006-03-22 | 2011-08-24 | 旭化成メディカル株式会社 | 血液処理用フィルター装置の製造方法及び血液処理用フィルター装置 |
EP1897571A1 (fr) * | 2006-09-06 | 2008-03-12 | Fresenius Hemocare Italia S.r.l. | Filtre pour retirer des substance de produits sanguins |
JP6477466B2 (ja) * | 2013-06-07 | 2019-03-06 | 日産化学株式会社 | 血液フィルター及びその製造方法 |
CA2933566C (fr) * | 2013-12-13 | 2018-05-22 | Asahi Kasei Medical Co., Ltd. | Materiau de filtre d'elimination de leucocytes et procede d'elimination de leucocytes |
CN107735116B (zh) * | 2015-06-17 | 2021-07-06 | 旭化成医疗株式会社 | 血液处理过滤器用过滤部件和血液处理过滤器 |
US20190209765A1 (en) | 2016-08-18 | 2019-07-11 | Asahi Kasei Medical Co., Ltd. | Filter element for blood processing filter, blood processing filter and leukocyte removal method |
-
2020
- 2020-10-09 US US17/766,087 patent/US20220355002A1/en active Pending
- 2020-10-09 WO PCT/JP2020/038276 patent/WO2021070928A1/fr unknown
- 2020-10-09 JP JP2021551715A patent/JP7277598B2/ja active Active
- 2020-10-09 CN CN202080070455.4A patent/CN114502254A/zh active Pending
- 2020-10-09 EP EP20873989.6A patent/EP4043085A4/fr active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001032236A1 (fr) | 1999-11-01 | 2001-05-10 | Asahi Medical Co., Ltd. | Filtre pour enlever selectivement les leucocytes |
WO2003106518A1 (fr) | 2002-06-17 | 2003-12-24 | 旭メディカル株式会社 | Polymere biocompatible et filtre permettant d'eliminer selectivement des leucocytes utilisant ce polymere |
JP2006280469A (ja) | 2005-03-31 | 2006-10-19 | Terumo Corp | 医療用ポリエステル製不織布、その製造方法および血液処理フィルター |
JP2013540458A (ja) | 2010-08-06 | 2013-11-07 | ジヴエッセ ソチエタ ぺル アチオーニ | 血液または血液製剤から物質を除去するための改良されたフィルター及びその製造方法 |
JP2018507011A (ja) | 2014-12-30 | 2018-03-15 | コーロン インダストリーズ インク | 血液フィルター及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US20220355002A1 (en) | 2022-11-10 |
WO2021070928A1 (fr) | 2021-04-15 |
JPWO2021070928A1 (fr) | 2021-04-15 |
CN114502254A (zh) | 2022-05-13 |
EP4043085A4 (fr) | 2023-03-08 |
EP4043085A1 (fr) | 2022-08-17 |
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